I've been surfing on Amazon and suddenly got a pop up on screen from (s3-us-west-2.amazon.comsays) the Microsoft Super Technicians informing that I have some kind of threat installed and my computer was now in a blocked state. It went on to say that if I didn't immediately call 020-3514-9444 to let their engineers talk me through the removal process then I would be open to have all my information stolen.
I couldn't get rid of the thing, the whole screen was taken over by this message and I couldn't click on anything but the OK button which I didn't. So I panicked a bit and pressed and held the off button to shut everything down then turned off the router for half an hour then ran four scans (that didn't detect anything) before opening Chrome again; everything seems OK and this is obviously some kind of scam but I'm wondering if something nasty has been installed.
Anyone help? :@